橋墩懸臂頂帽受力特性分析.pdf

1、西南交通大學碩士學位論文橋墩懸臂頂帽受力特性分析姓名：南曉嵐申請學位級別：碩士專業(yè)：建筑與土木工程指導教師：李喬李青定20040401西南交通大學碩士研究生論文第2頁AbstractAccordingtothepracticalen武ueeringexamples，thecrackingthestrengthandthestressdistributionofthebridgecantileverpiercaphavebeenstudi

2、edbyusingtheelastictheory(gpecifications)nonlineartheory(finitelayerofsection)，thefiniteclementmethodandtheexperimentalmethodinthisthesiz，F(xiàn)orthecomplexstressdistributionlargevariationandstressconcentrationofthecantilever

3、thereafesomedifferencesinstudyingthecantileverpiercapstructureindifferentcounuy奢specificationsMeanwh／Iethrough毫concte輪ex跚plethestrengthandtheorackingofthecantileverpiercaphavebeencalculatedbyusing“designspecificationsofr

4、ailwayreinforcedconcreteandprestressedconcretebridgeandculvert”，design警ec孕c出lo璐ofhighwayreinforcedconcreteandprestressedco船relebridgeandculvert‘。and‘designspecificationsofconCretes抒曩ct塒唣”Finallythestructureisanalyzedbyph

5、otoelasticmethodandmodeltestTheresultscalculatedshowthatitsvaluewouldbeverydifferentfromtheo礬ofthetest話wetookita5acantilevermemberwhenitslengthisiuadefmi把rangeSoweshouldgiveadefinitivecomputationalmethodandcalcuMtingchar

6、tin“斑signspecificationsofrailwayretforcedconcrete珊訂prestressedconcretebridgeamlculvert”and‘designJpeeificatiam礦highwayreiafomedconCreteandprestressedconCretebridgeandculvert’’forthebridgecantileverpiercapwhenthecantileve

7、risshortBesidesthatweshouldanalyzetheconcreteinnonlineartheoryandcheckitbyfirnteelememsoftwarefD，tbecomplexreinforcedconcretestructure，consideringofitsnordmearcbaracten3tic(elasticdeformationstageandplasticdeformationsta

8、ge)OnlyinthiswaycanwemakethedesignandcalculationbeapproachingtothefactandaffordthereliabletheoryforthecantileverpiercapdesigrtKeywords：bridge，cantileverpiercap，theoreticalanalysis，experimentstudy、——_——_—●————一、———————_——